8-letter words containing d, i, a, o
- biodrama — a drama based on the life of an actual person or persons.
- blastoid — a type of extinct echinoderm, which can be found in fossil form in regions of North America
- boadicea — Boudicca
- boardies — a pair of board shorts
- boarding — Boarding is an arrangement by which children live at school during the school term.
- bodleian — the principal library of Oxford University: a copyright deposit library
- bonafide — made, done, presented, etc., in good faith; without deception or fraud: a bona fide statement of intent to sell.
- bondmaid — an unmarried female serf or slave
- boudicca — died 62 ad, a queen of the Iceni, who led a revolt against Roman rule in Britain; after being defeated she poisoned herself
- braconid — any member of the Braconidae, a family of parasitoid wasps
- broadish — fairly broad
- brodiaea — any of several plants belonging to the genus Brodiaea, of the amaryllis family, native to western North America, having grasslike basal leaves and clusters of usually purplish flowers.
- calicoed — dressed in calico.
- calycoid — resembling a calyx
- cambodia — a country in SE Asia: became part of French Indochina in 1887; achieved self-government in 1949 and independence in 1953; civil war (1970–74) ended in victory for the Khmer Rouge, who renamed the country Kampuchea (1975) and carried out extreme-radical political and economic reforms resulting in a considerable reduction of the population; Vietnamese forces ousted the Khmer Rouge in 1979 and set up a pro-Vietnamese government who reverted (1981) to the name Cambodia; after Vietnamese withdrawal in 1989 a peace settlement with exiled factions was followed in 1993 by the adoption of a democratic monarchist constitution restoring Prince Sihanouk to the throne. The country contains the central plains of the Mekong River and the Cardamom Mountains in the SW. Official language: Khmer; French is also widely spoken. Currency: riel. Capital: Phnom Penh. Pop: 15 205 539 (2013 est). Area: 181 000 sq km (69 895 sq miles)
- cameloid — a member of the camel family
- camisado — (formerly) an attack made under cover of darkness
- cancroid — resembling a cancerous growth
- canopied — A canopied building or piece of furniture is covered with a roof or a piece of material supported by poles.
- caodaism — an eclectic religion, originated in Cochin-China in 1926, combining Buddhist, Taoist, and Confucianist elements and affected to some extent by Christianity.
- cardioid — a heart-shaped curve generated by a fixed point on a circle as it rolls around another fixed circle of equal radius, a. Equation: r = a(1 – cos φ), where r is the radius vector and φ is the polar angle
- carotids — Plural form of carotid.
- catenoid — the geometrical surface generated by rotating a catenary about its axis
- cathodic — pertaining to a cathode or phenomena in its vicinity.
- caudillo — (in Spanish-speaking countries) a military or political leader
- cb radio — a device that transmits and receives radio signals only within a designated band of frequencies. Compare Citizens Band.
- ceratoid — having the shape or texture of animal horn
- chaordic — (of a system, organization, or natural process) governed by or combining elements of both chaos and order
- choanoid — (anatomy) funnel-shaped; applied particularly to a hollow muscle attached to the eyeball in many reptiles and mammals.
- chokidar — (in India) a warden, custodian, or gatekeeper
- chondria — a profusely branched red alga, Chondria tenuissima, of the Atlantic and Pacific coasts of North America.
- clorinda — a female given name.
- clotilda — ?475–?545 ad, wife of Clovis I of the Franks, whom she converted (496) to Christianity
- coadmire — to admire together
- cocamide — A mixture of amides of the fatty acids obtained from coconut oil, used in many surfactants.
- coccidia — any sporozoan of the order Coccidia, often parasitic in the digestive tracts of certain animals and a cause of coccidiosis.
- codomain — the set of values that a function is allowed to take
- comedial — a play, movie, etc., of light and humorous character with a happy or cheerful ending; a dramatic work in which the central motif is the triumph over adverse circumstance, resulting in a successful or happy conclusion.
- comedian — A comedian is an entertainer whose job is to make people laugh, by telling jokes or funny stories.
- conidial — of or like conidia
- conoidal — Having the shape of a conoid; having a roughly conical shape.
- conrad i — died a.d. 918, king of Germany 911–918.
- cookmaid — a maid who assists a cook
- coracoid — a paired ventral bone of the pectoral girdle in vertebrates. In mammals it is reduced to a peg (the coracoid process) on the scapula
- cordelia — a feminine name
- cordials — Plural form of cordial.
- cordwain — cordovan leather
- corridas — Plural form of corrida.
- coumadin — Synonym of warfarin.
- cuboidal — Also, cuboidal. resembling a cube in form.